My point is that kotlin by default targets 1.6. You need to specify to target 1.8 if you want to use it. So for me the experiment is broken. You should either c

My point is that kotlin by default targets 1.6. You need to specify to target 1.8 if you want to use it. So for me the experiment is broken. You should either compare java 1.6 with kotlin or set up kotlin to use 1.8 to compare with the same java version.